value quality siderealorsynodic author ref method 4.9900 2 Synodic Waszczak 2015AJ....150...75W Lightcurve 4.9940 3 Synodic Warner 2011MPBu...38...25W Lightcurve 4.9980 3- Synodic Warner 2014MPBu...41..102W Lightcurve 5.0000 3 Synodic Stephens 2017MPBu...44..257S Lightcurve